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nvmem: imx-ocotp-ele: Add i.MX94 OCOTP support 

Add OCOTP device type for i.MX94, including register offset, total size,
and fuse layout. This enables NVMEM access to the eFuse of i.MX94.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20251114110636.143268-9-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/1354/merge
Alice Guo 2025-11-14 11:06:36 +00:00 committed by Greg Kroah-Hartman
parent c7ea8eadd5
commit d54d5e294c
1 changed files with 20 additions and 0 deletions
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20
drivers/nvmem/imx-ocotp-ele.c
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@ -186,6 +186,25 @@ static const struct ocotp_devtype_data imx93_ocotp_data = {
}, },
}; };
static const struct ocotp_devtype_data imx94_ocotp_data = {
.reg_off = 0x8000,
.reg_read = imx_ocotp_reg_read,
.size = 3296, /* 103 Banks */
.num_entry = 10,
.entry = {
{ 0, 1, FUSE_FSB | FUSE_ECC },
{ 7, 1, FUSE_FSB | FUSE_ECC },
{ 9, 3, FUSE_FSB | FUSE_ECC },
{ 12, 24, FUSE_FSB },
{ 36, 2, FUSE_FSB | FUSE_ECC },
{ 38, 14, FUSE_FSB },
{ 59, 1, FUSE_ELE },
{ 525, 2, FUSE_FSB | FUSE_ECC },
{ 528, 7, FUSE_FSB },
{ 536, 280, FUSE_FSB },
},
};
static const struct ocotp_devtype_data imx95_ocotp_data = { static const struct ocotp_devtype_data imx95_ocotp_data = {
.reg_off = 0x8000, .reg_off = 0x8000,
.reg_read = imx_ocotp_reg_read, .reg_read = imx_ocotp_reg_read,
@ -209,6 +228,7 @@ static const struct ocotp_devtype_data imx95_ocotp_data = {
static const struct of_device_id imx_ele_ocotp_dt_ids[] = { static const struct of_device_id imx_ele_ocotp_dt_ids[] = {
{ .compatible = "fsl,imx93-ocotp", .data = &imx93_ocotp_data, }, { .compatible = "fsl,imx93-ocotp", .data = &imx93_ocotp_data, },
{ .compatible = "fsl,imx94-ocotp", .data = &imx94_ocotp_data, },
{ .compatible = "fsl,imx95-ocotp", .data = &imx95_ocotp_data, }, { .compatible = "fsl,imx95-ocotp", .data = &imx95_ocotp_data, },
{}, {},
}; };